<template>
    <div>
        <h1>{{id?'修改':'新建'}}广告</h1>
        <el-form label-width="123px" @submit.native.prevent = 'save'>
            <el-form-item label="名称">
                <el-input v-model="model.name"></el-input>
            </el-form-item>
            <el-form-item label="广告">
                <el-button size="small" @click="model.items.push({})"><i class="el-icon-plus"></i>添加广告</el-button>
                <el-row type="flex" style="flex-wrap: wrap">
                    <el-col :md="24" v-for="(item,index) in model.items" :key="index">
                        <el-form-item label="跳转链接(URL)">
                            <el-input v-model="item.url"></el-input>
                        </el-form-item>
                       <el-form-item label="图片">
                <el-upload
                 class="avatar-uploader"
                    :action="getactionURL"
                    :show-file-list="false"
                    :headers="getAuthrization()"
                    :on-success="res=>{$set(item,'image',res.url)}">
                    <img v-if="item.image" :src="item.image" class="avatar">
                    <i v-else class="el-icon-plus avatar-uploader-icon"></i>
                    </el-upload>
                    </el-form-item>
                        <el-form-item >
                            <el-button size="small" type="danger" @click="model.items.splice(index,1)">删除</el-button>
                        </el-form-item>
                    </el-col>
                </el-row>
            </el-form-item>
            <el-form-item>
                <el-button type="primary" native-type="submit">保存</el-button>
            </el-form-item>
            
        </el-form>
    </div>
</template>

<script>
export default {
    data() {
        return {
            model:{
                items:[]
            }
        }
    },
    props:{
        id:{}
    },
    methods: {
        async save(){
            let res
            if(this.id){
                res = await this.$http.put(`rest/Advertise/${this.id}`,this.model)
            }else{
                res = await this.$http.post('rest/Advertise',this.model)         
            }   
               this.$router.push('/Advertise/list')                 
                this.$message({
                type:'success',
                message:"保存成功了"
            })      
        },
        async fetch(){
            const res  = await this.$http.get(`rest/Advertise/${this.id}`)
            this.model = {...this.model,...res.data}
        },
    },
    created() {
        this.id && this.fetch()
    },
};
</script>

<style scoped>
.avatar-uploader .el-upload {
    border: 1px dashed #d9d9d9;
    border-radius: 6px;
    cursor: pointer;
    position: relative;
    overflow: hidden;
  }
  .avatar-uploader .el-upload:hover {
    border-color: #409EFF;
  }
  .avatar-uploader-icon {
    font-size: 28px;
    color: #8c939d;
    width: 5rem;
    height: 5rem;
    line-height: 5rem;
    text-align: center;
  }
 
</style>